Consider a Sports Car Which Accelerates from 0 Ft/sec to 88

Multiple Choice

Consider a sports car which accelerates from 0 ft/sec to 88 ft/sec in 5 seconds (88 ft/sec = 60mph) .The car's velocity is given in the table below. $\begin{array}{cccccc}t & 0 & 1 & 2 & 3 & 4 &5\\V(t) & 0 & 30 & 52 & 68 & 80&88\end{array}$ In which time interval is the average acceleration smallest?

A) Between t = 4 and t = 5.
B) Between t = 3 and t = 4.
C) Between t = 2 and t = 3.
D) Between t = 1 and t = 2.
E) Between t = 0 and t = 1.